A2A GPCR	G protein-coupled A2a adenosine receptor
α-GalCer	α-galactosylceramide
β-MeSe-Fuc	selenomethyl derivative of fucose
βMeSe-GlcNAc	Selenomethyl-N-acetylglucosamine
CHAPSO	3-[(3-cholamidopropyl)dimethylammonio]-2-hydroxypropanesulfonate
CMC	critical micelle concentration
DDM	dodecyl-β-D-maltoside
DMPC	1,2-dimyristoyl-sn-glycero-3-phosphocholine
DPPC	dipalmitoylphosphatidylcholine
ERATO	Exploratory Research for Advanced Technology
I3C	5-amino-2,4,6-triiodoisophthalic acid
JST	Japan Science and Technology Agency
LCLS	Linac Coherent Light Source
LCP	lipidic cubic phase
MAD	multi-wavelength anomalous diffraction
MEXT	Ministry of Education, Culture, Sports, Science and Technology
MIR	multiple heavy-atom isomorphous replacement
MIRAS	multiple heavy-atom isomorphous replacement with anomalous scattering
PAL-XFEL	Pohang Accelerator Laboratory X-ray Free Electron Laser
PDB	Protein Data Bank
PRESTO	Precursory Research for Embryonic Science and Technology
SACLA	SPring-8 Angstrom Compact Free Electron Laser
SAD	single-wavelength anomalous diffraction
SeDDM	dodecyl-β-D-selenomaltoside
SFX	serial femtosecond crystallography
SIR	single heavy-atom isomorphous replacement
SIRAS	single heavy-atom isomorphous replacement with anomalous scattering
SRX	synchrotron radiation crystallography
SwissFEL	Swiss X-ray Free Electron Laser
XFEL	X-ray free-electron laser